Pea-huller.



W. L. HAY.`

PEA HULLER.

APPLIOATION FILED MAY 15, 1909.

9 3 3 ,5 59 l Patented Sept. '7, 1909. 2 SHEETS-SHEET 1.

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W. L. HAY.

PEA HULLER.

APPLIOATION FUJED MAY 1'5, 1909. 933,559, Patented Sept. 7, 1909. 2SHEETS-SHEET 2.

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WILLIAM LAFAYETTE HAY, OF FRANKLIN, TENNESSEE.

PEA-HULLER.

Specification of Letters Patent.

ratenteasept. 7, i909.

Application filed May 15, 1909. Serial No. 496,120.

To all whom it may concern:

Be it known that I, WILLIAM LAFAYETTE HAY, a citizen of the UnitedStates, and a resident of Franklin, in the county of Williamson andState of Tennessee, have made certain new and useful Improvements inIea-Hullers, of which the following is a specification.

My invention relates to improvements in devices for hulling dried peasor similar articles, and it consists in the constructions, combinationsand arrangements herein described and claimed.

An object of my invention is to provide a device of comparatively simpleconstruction in which the hulling of picked peas or of peas on the vinesmay be accomplished by merely shifting the concave and feeding the peasthrough the device in the direction most suitable for their propertreatment.

A further object of my invention is to provide a concave made up ofsections which can be readily taken apart to repair or inspect the teethon the main cylinder.

Other objects and advantages will appear in the following speciicationand the novel features of the device will be particularly pointed out'inthe appended claims.

My invention is illustrated in the accompanying drawings in whichsimilar reference characters indicate like parts in the several viewsand in which- Figure 1 is a side view of a pea huller constructed inaccordance with my invention; Fig. 2 is a transverse sectional view ofthe device; Fig. 3 is a longitudinal section along the line 3-3 of Fig.2; Fig. 4 is a side view of a portion of the device showing thefastening means for the concave in its shifted position; Fig. 5 is asection of a portion of the device similar to that shown in Fig. 2,showing the concave in its shifted position; Fig. 6 is a detail viewshowing the means by which the upper and lower parts of the concave aresecured together; Fig. 7 is a side view of the cylinder, showing thearrangement of teeth thereon; and Fig. 8 is a sectional view of theparts of the concave.

In carrying out my invention I provide a main frame A consisting of sidepieces a, end pieces a', the bottom member a2 and a top a3. Supported onthe top is a hopper B of the shape clearly shown in Fig. 2, the bottomof the hopper communicating with an opening at in the top a3. On theside of the frame is another hopper or rather a chute C which is adaptedto communicate with the concave as will be explained later.

Disposed longitudinally of the device on suitable bearings X and X is acentral shaft S bearing a driving pulley P at one end. Secured to theshaft is a cylinder E which may be either solid or hollow. The cylinderis provided with teeth e set on its periphery in rows, each row beingcurved in the manner shown in Fig. 7.

The concave F is preferably made up in four sections. These sections areshown in Fig. 8. Each section is provided with rows of teeth f which arearranged to enter between theteeth e on the cylinder E as the latter isrotated on the shaft S. Two of the sections f and f2 are joined togetherby means of a semi-circular plate g at each end thereof while the othertwo sections f3 and f4 are joined together by a similar plate z, at eachend. The plates g and It at each end are in turn connected by means ofthe extensions g on the plate g and the screws g2 which pass throughthese extensions and into the plate 71,. It will thus be seen that withthis construction the removal of the screws g2 will permit the sectionsf and f2 which constitute half of the concave to be separated from thesections f3 and f* which constitute the other half of the concave.

In Fig. 3 are shown two end plates R and R, both of the plates havingcurved slots V and V respectively and the plate R being cut away at itslower edge to permit the entrance of a slide K as shown in Fig. 3. Theupper slide L is of segmental shape and vis adapted to enter the slot V.It will be seen from the drawings that the opposed edges of the sectionsf and f2 are grooved at f6 while the opposed edges of the sections f3and f are grooved at f7 to permit the entrance of the tongues Z and l:as shown in Fig. 2. The slides L and K may be pushed inwardly or drawnoutwardly and constitute virtually a portion of the concave wheneverthey are in the groove. The screws M are arranged to enterl the curvedslots V and V int-o threaded openings in the ends g of the parts of theconcave. These screws are provided with wings m, and the thumb screwsthus formed serve to lock the concave in its shifted positions.

From the foregoing description of the various parts of the device theoperation thereof may be readily understood. In hulling picked peas thelatter 'are placed in the hopper B. The upper slide L is then drawnoutwardly in the manner shown in Fig. 3 thereby leaving an opening bthrough which the peas are fed. The rotation of the shaft S causes theVpeas to travel from one end of the cylinder E to the other and sincethe Vteeth e on the cylinder E are set at such a distance from the teethon the concave F as to permit the passage of the peas but toengage thehulls, the latter are torn from the peas. AAs the peas are hulled theypass out through the opening b2 left by pulling the slide K outwardly.If the peas are thoroughly dried, the slide K is pulled out to allow thepeas to drop outv of the concave sooner than they otherwise would if theslide were pushed in to leave a smaller opening. If the peas are damp,the'slide K can be pushed in so as to cause the peas to travel fartherbut they are finally ejected from the machine` Y Now if the peas havebeen gathered without Y' being picked from the vines, a different modeof procedure must be adopted since feeding the vines into the verticalhopper would of course clog the machine up and stop its operation. yBoththe slides L and K are removed entirely from the device. The thumbscrews M at each end of the machine are vloosened and the concave isrotated on the while the opening b2 is now brought on the opposite sideof the machine. Now if the vines withtheir peas are fed into the chute Ctherotation of the cylinder E will cause the vines land the peas to becarried through the semi-circular bottom of the concave and they willpassout through the opening b2. The peas will be not only stripped fromthe vines but will be hulled in passing through the machine.

It will be seen at once that the device can be easily converted by thesimple operations described above in which the concave is rotated lessthan 90O from its original position. In actual practice it has beenfound that the peas may be hulled at a lower rate of speed of thecylinder than that required in the ordinary pea huller. Moreover only asmall per cent. of the peas hulled are crushed in this form of device.

I claim: 1. In a pea huller, a frame, a plurality of feed receptaclescarried thereby, a concave, a cylinder arranged therein, and means forshifting said concave to receive a charge from any of said feedreceptacles.

2. In a pea huller, a frame, a hopper at therein, a slotted end platesecured to said frame at each end of said concave and a locking screwarranged to extend through said slots, said concave being adapted torotate to receive a charge from the hopper or the side chuteand to belocked by said locking screws.

4l. In a pea huller, a concave consisting of hemispherical sectionsremovably secured together and provided with teeth on Vtheir iny nersurface, each of said sections being provided with removable slidesextending 'longitudinally of said concave and forming a portion of thewall of said concave, anda cylinder disposed within said concave andprovided with teeth adapted to enter between the teeth on the innersurface of the concave.

5. In a pea huller, a frame, slotted end plates secured to said frame, acylinder mounted for rotation on said frame and provided with teeth onits periphery, a concave disposed about said cylinder and provided withteeth arranged to enter between the teeth of the cylinder, said concavebeing provided withV longitudinal slots on its opposite sides,adjustable slides arranged to enter said slots, each of said slidesconstituting part of the surface of the slides, a hopper carried by thetop rof the frame, a chute at the side of the frame and locking screwsdisposed in the end of said Yconcave and arranged to project through theslots inV said end plates thereby permitting the shifting of the concaveto receive a charge either from said hopper or said chute and to lockthe concave in its shifted position. 6. In a pea huller, a frame, aplurality of feed receptacles carried thereby, a concave, a cylinderarranged therein, and means for rotating said concave, to receive acharge from any of said feed receptacles. Y

7. In a pea huller, a frame, a hopper at the top of said frame, a'chuteat the Yside of said frame, a concave, a cylinder arranged therein, andmeans for rotating said concave to receive a charge from said hopper orsaid chute.

IVILLIAM LAFAYETTE I-IAY. itnesses S. M. FLEMING, NEWT CANNON, Jr.

